Fastening tool



FIG. 1 is a perspective view taken from the top and right side of a fastening tool showing my new design.

FIG. 2 is a perspective view taken from the bottom and left side thereof.

FIG. 3 is a left side elevational view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a front elevational view thereof.

FIG. 6 is a rear elevational view thereof.

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a fastening tool, as shown and described. 